Gates hosted his last CES hurrah at Sunday's keynote, where he presented a video of his last day of work at Microsoft. Gates also talked about where technology is going after his retirement, including 3D environments for the Web and how image-recognition technology is going to change the face of Internet search.
The new state-of-the-art John Lennon Educational Tour Bus was unveiled on Monday. The bus is a nonprofit mobile recording studio created to expose students to the process of music-making. Giants such as Maxell and Sony helped create the program.